Gas-saving tips - fact or fiction?

Avoid filling up when you see a fuel truck

False. While a fuel delivery may stir up sediment that gathers in a station tank, both the gas station and the car have filters that will prevent sand or dirt from affecting your car's performance.

It's somewhat of a hold over fear dating back to when gas tanks were made of metal rather than fiberglass, said John Paul, AAA's Car Doctor, in an interview. Stations regularly test their fuel supply for quality, he said.

"If you're on 'E,' and the low fuel light's on, and the only station around is the one with the tanker, go, and get the gas," Paul said.